.detail-nav{
	border: 1px solid $color-border;
	background: $bgc-deep;
	width: 938px;
	margin-left: -1px;
	margin-top: -1px;
	.btn-go-buy {		
	    float: right;
	    display: none;
	    line-height: 42px;
	    padding:  0 20px;
	    background-color: #c42e1d;
	    color: #fff;
	    font-size: 16px;
	}
	ul {
		@extend .f-cb;
		font-size: 16px;
		height: 42px;
		li {
			float: left;
			margin-left: -1px;
			border-left: 1px solid $color-border;
			border-right: 1px solid $color-border;
			height: 42px;
			a {
				display: block;
				line-height: 42px;
				padding: 0 20px;
				margin-top: 1px;
				&:hover,&.current {
					border-top: 2px solid #5a94da;
					border-bottom: 1px solid #fff;
					background: #fff;
					margin-top: -1px;
					color: #5a94da;
				}
			}
		}
	}
	&.pin-fixed {
		position: fixed;
		top: 0;
		.btn-go-buy {
			display: block;
		}
	}
}